nodejs 文件上传

var multipart = require('connect-multiparty');
var fs = require('fs');
var multipartMiddleware = multipart();

router.get('/uploadTest', function (req, res) {
    res.render('uploadTest', {
        title: 'Upload File test'
    })
});

router.post('/uploadTest', multipartMiddleware, function (req, res) {
    var profile_image = req.files.profile_image;
    var tmp_path = profile_image.path;
    console.log(req.files);

    var target_path = './public/images/' + profile_image.name;
    fs.rename(tmp_path, target_path, function (err) {
        if (err) {next(err);};
        fs.unlink(tmp_path, function () {
            if (err) {next(err);};
            console.log('Files uploaded to: ' + target_path + ' - ' + profile_image.size + ' bytes');
            res.redirect('/images/' + profile_image.name);
        });
    });
});